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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #ifndef SkMatrix_DEFINED | 10 #ifndef SkMatrix_DEFINED |
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73 bool isIdentity() const { | 73 bool isIdentity() const { |
74 return this->getType() == 0; | 74 return this->getType() == 0; |
75 } | 75 } |
76 | 76 |
77 bool isScaleTranslate() const { | 77 bool isScaleTranslate() const { |
78 return !(this->getType() & ~(kScale_Mask | kTranslate_Mask)); | 78 return !(this->getType() & ~(kScale_Mask | kTranslate_Mask)); |
79 } | 79 } |
80 | 80 |
81 /** Returns true if will map a rectangle to another rectangle. This can be | 81 /** Returns true if will map a rectangle to another rectangle. This can be |
82 true if the matrix is identity, scale-only, or rotates a multiple of | 82 true if the matrix is identity, scale-only, or rotates a multiple of |
83 90 degrees. | 83 90 degrees, or mirrors in x or y. |
84 */ | 84 */ |
85 bool rectStaysRect() const { | 85 bool rectStaysRect() const { |
86 if (fTypeMask & kUnknown_Mask) { | 86 if (fTypeMask & kUnknown_Mask) { |
87 fTypeMask = this->computeTypeMask(); | 87 fTypeMask = this->computeTypeMask(); |
88 } | 88 } |
89 return (fTypeMask & kRectStaysRect_Mask) != 0; | 89 return (fTypeMask & kRectStaysRect_Mask) != 0; |
90 } | 90 } |
91 // alias for rectStaysRect() | 91 // alias for rectStaysRect() |
92 bool preservesAxisAlignment() const { return this->rectStaysRect(); } | 92 bool preservesAxisAlignment() const { return this->rectStaysRect(); } |
93 | 93 |
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830 | 830 |
831 static void Affine_vpts(const SkMatrix&, SkPoint dst[], const SkPoint[], int
); | 831 static void Affine_vpts(const SkMatrix&, SkPoint dst[], const SkPoint[], int
); |
832 | 832 |
833 static const MapPtsProc gMapPtsProcs[]; | 833 static const MapPtsProc gMapPtsProcs[]; |
834 | 834 |
835 friend class SkPerspIter; | 835 friend class SkPerspIter; |
836 }; | 836 }; |
837 SK_END_REQUIRE_DENSE | 837 SK_END_REQUIRE_DENSE |
838 | 838 |
839 #endif | 839 #endif |
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